xref: /openbmc/linux/tools/perf/util/thread.h (revision 4a44a19b)
1 #ifndef __PERF_THREAD_H
2 #define __PERF_THREAD_H
3 
4 #include <linux/rbtree.h>
5 #include <linux/list.h>
6 #include <unistd.h>
7 #include <sys/types.h>
8 #include "symbol.h"
9 #include <strlist.h>
10 
11 struct thread {
12 	union {
13 		struct rb_node	 rb_node;
14 		struct list_head node;
15 	};
16 	struct map_groups	*mg;
17 	pid_t			pid_; /* Not all tools update this */
18 	pid_t			tid;
19 	pid_t			ppid;
20 	int			cpu;
21 	char			shortname[3];
22 	bool			comm_set;
23 	bool			dead; /* if set thread has exited */
24 	struct list_head	comm_list;
25 	int			comm_len;
26 
27 	void			*priv;
28 };
29 
30 struct machine;
31 struct comm;
32 
33 struct thread *thread__new(pid_t pid, pid_t tid);
34 int thread__init_map_groups(struct thread *thread, struct machine *machine);
35 void thread__delete(struct thread *thread);
36 static inline void thread__exited(struct thread *thread)
37 {
38 	thread->dead = true;
39 }
40 
41 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
42 		       bool exec);
43 static inline int thread__set_comm(struct thread *thread, const char *comm,
44 				   u64 timestamp)
45 {
46 	return __thread__set_comm(thread, comm, timestamp, false);
47 }
48 
49 int thread__comm_len(struct thread *thread);
50 struct comm *thread__comm(const struct thread *thread);
51 struct comm *thread__exec_comm(const struct thread *thread);
52 const char *thread__comm_str(const struct thread *thread);
53 void thread__insert_map(struct thread *thread, struct map *map);
54 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
55 size_t thread__fprintf(struct thread *thread, FILE *fp);
56 
57 void thread__find_addr_map(struct thread *thread, struct machine *machine,
58 			   u8 cpumode, enum map_type type, u64 addr,
59 			   struct addr_location *al);
60 
61 void thread__find_addr_location(struct thread *thread, struct machine *machine,
62 				u8 cpumode, enum map_type type, u64 addr,
63 				struct addr_location *al);
64 
65 void thread__find_cpumode_addr_location(struct thread *thread,
66 					struct machine *machine,
67 					enum map_type type, u64 addr,
68 					struct addr_location *al);
69 
70 static inline void *thread__priv(struct thread *thread)
71 {
72 	return thread->priv;
73 }
74 
75 static inline void thread__set_priv(struct thread *thread, void *p)
76 {
77 	thread->priv = p;
78 }
79 
80 static inline bool thread__is_filtered(struct thread *thread)
81 {
82 	if (symbol_conf.comm_list &&
83 	    !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
84 		return true;
85 	}
86 
87 	return false;
88 }
89 
90 #endif	/* __PERF_THREAD_H */
91